ED50 Study of Femtosecond Terawatt Laser Pulses on Porcine Skin

Abstract

Terawatt (TW) lasers have become commonplace since the development of the chirped-pulse amplification method using Ti:sapphire and Nd:glass laser rods. We have measured the minimum visible lesion (MVL) thresholds for porcine1 (Yucatan minipig) skin using TW laser pulses. Our system produced laser pulses at 810 nm and sub-50 femtoseconds. These 1-2 TW laser pulses created multiple self-focusing (SF) filaments during propagation and were directed on the flanks of mini-pigs under anesthesia. We measured the pulse energies necessary to determine the ED50 skin damage thresholds.

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Document Details

Document Type
Technical Report
Publication Date
Jun 13, 2005
Accession Number
ADA523735

Entities

People

  • Benjamin A. Rockwell
  • Carrie C. Crane
  • Clarence P. Cain
  • David J. Stolarski
  • Duane D. Cox
  • Gary D. Noojin
  • Mary F. Cooper
  • Michelle L. Imholte
  • Semih S. Kumru

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Amplifiers
  • Animals
  • Epithelial Cells
  • Femtosecond Time
  • Filaments
  • Laboratory Animals
  • Laser Beams
  • Laser Pulses
  • Lasers
  • Light (Electromagnetic Radiation)
  • Light Sources
  • Radiation
  • Rodents
  • Sapphire
  • Statistical Analysis
  • Tissues

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Toxicology/Environmental Toxicology

Technology Areas

  • Directed Energy